Home / 209,823.79-314,828.72-109,960.24

Finding the Fourth Proportional to 209,823.79, 314,828.72 and 109,960.24

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Solution

The fourth proportional to 209,823.79, 314,828.72 and 109,960.24 is: 164,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,823.79 : 314,828.72 = 109,960.24 : x
  2. Step 2: Convert to fraction form
    209,823.79/314,828.72 = 109,960.24/x
  3. Step 3: Cross multiply
    209,823.79x = 314,828.72 × 109,960.24
  4. Step 4: Simplify right side
    209,823.79x = 34,618,641,610.09
  5. Step 5: Solve for x
    x = 34,618,641,610.09/209,823.79
  6. Step 6: Final answer
    x = 164,989.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.